7216229422 has 4 divisors (see below), whose sum is σ = 10824344136. Its totient is φ = 3608114710.

The previous prime is 7216229401. The next prime is 7216229429. The reversal of 7216229422 is 2249226127.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×7216229422³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216229429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1804057354 + ... + 1804057357.

It is an arithmetic number, because the mean of its divisors is an integer number (2706086034).

Almost surely, 2^7216229422 is an apocalyptic number.

7216229422 is a deficient number, since it is larger than the sum of its proper divisors (3608114714).

7216229422 is a wasteful number, since it uses less digits than its factorization.

7216229422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608114713.

The product of its digits is 48384, while the sum is 37.

The square root of 7216229422 is about 84948.3926981553. The cubic root of 7216229422 is about 1932.4285447701.

The spelling of 7216229422 in words is "seven billion, two hundred sixteen million, two hundred twenty-nine thousand, four hundred twenty-two".